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Part: PCD5095
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Datasheet: Download PCD5095 datasheet File size : 372 kB
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INTEGRATED CIRCUITS
DATA SHEET
PCD5095 DECT baseband controller
Objective specification File under Integrated Circuits, IC17 1997 Nov 19
Philips Semiconductors
Objective specification
DECT baseband controller
CONTENTS 1 1.1 2 3 4 5 5.1 5.2 6 7 8 8.1 8.2 8.3 8.4 9 10 11 FEATURES DSP software features GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM PINNING INFORMATION Pinning Pin description FUNCTIONAL DESCRIPTION PACKAGE OUTLINE SOLDERING Introduction Reflow soldering Wave soldering Repairing soldered joints DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C COMPONENTS
PCD5095
1997 Nov 19
2
Philips Semiconductors
Objective specification
DECT baseband controller
1 FEATURES
PCD5095
ˇ Easy interfacing with radio circuits, operating at other supply voltage (RF supply pin with level shifter for RF signals) ˇ Low-power oscillator with integrated frequency adjustment ˇ QFP100 package ˇ Power-on-reset ˇ Programmable power-down modes ˇ Low supply voltage (2.7 to 3.6 V) ˇ CMOS technology. 1.1 DSP software features
ˇ 80C51 ports P0, P1, P2 and P3 available for interfacing to display, keyboard, I2C-bus, interrupt sources and/or external memory. Integrated 64 kbyte ROM, 3 kbytes of data memory and 1kbyte System Data RAM. External program memory is addressable up to 128 kbytes ˇ +2.7 to 5 V port (P0 to P3) interface ˇ TDMA frame (de)multiplexing, transmission or reception can be programmed for any slot ˇ Ciphering, scrambling, CRC checking/generation and protected B-fields ˇ Speech and data buffering space for six handsets ˇ Local call and B-field loop-back ˇ Two interrupt lines for BML and DSP to interrupt 80C51 ˇ On-chip, three channel time-multiplexed 8-bit Analog-to-Digital Converter (ADC) for RSSI measurement, one for battery voltage measurement and one channel available for other purposes ˇ On-chip 8-bit Digital-to-Analog Converter (DAC) for electronic potentiometer function ˇ Phase error measurement and phase error correction by hardware ˇ DACs and ADCs for dynamic earpiece and dynamic or electret microphone ˇ On-chip reference voltage ˇ On-chip supply for electret microphone ˇ Very low ohmic buzzer output ˇ Serial interface to external ADPCM CODEC (PCD5032) or 8 kHz u-law samples ˇ Speech switch for Digital Telephone Answering Machine (DTAM) connected to SPI interface ˇ IOMŽ-2 interface (Siemens registered trademark) ˇ Serial interface to synthesizer for frequency programming ˇ Programmable polarity and timing of radio-control signals ˇ GMSK pulse shaper ˇ On-chip comparator for use as data-slicer 3 ORDERING INFORMATION TYPE NUMBER PCD5095H
ˇ 3x ADPCM transcoding complying with G.726 ˇ A-Law encoding and decoding complying with G.711 ˇ 4 Channel bidirectional ADPCM interface to the IOMŽ-2 and radio interface ˇ Programmable channel switching and buffers ˇ Channel mute. For each DSP software version a separate manual is available in which detailed information is provided on how parameters must be set. For further information please contact Philips Semiconductors. 2 GENERAL DESCRIPTION
The PCD5095 is designed for GAP-compliant business systems, PABX and WLL. Two modes can be selected: three channel ADPCM CODEC with conversion of ADPCM samples to linear PCM format and vice versa, the second mode copies four ADPCM samples into two IOM data buffers and vice versa. In both modes the DSP controls the bidirectional data flow from the radio interface and the IOMŽ-2 interface. The 80C51 controls the DECT protocol and the IOMŽ-2 interface. The performance of the embedded 80C51 microcontroller is twice the performance of the classic architecture. The PCD5095 has 64 kbytes of PROM program memory and 3 kbytes of data memory on-chip. In addition there is 1 kbyte of on-chip data memory that is shared with the Burst Mode Logic (BML), the DSP and the System Data RAM (SDR).
PACKAGE NAME QFP100 DESCRIPTION plastic quad flat package; 100 leads (lead length 1.95 mm); body 14 × 20 × 2.8 mm VERSION SOT317-2
1997 Nov 19
3
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